Car rental is different than auto share here. Car rentals work as you depicted. Auto share, is not that. When they tried this with the pay per minute vehicles

Car rental is different than auto share here. Car rentals work as you depicted. Auto share, is not that. When they tried this with the pay per minute vehicles (both electric and gas) the reality is the time to fill electric made them completely untenable. They also tried battery swaps, that was truly disastrous.